Compare the values of the digits:
The value of the 5 in 50,000 is how many times the value of the 5 in 5,000?
10 times
Round 29,484 to the nearest thousand.
29,000
Find the sum:
43,798 + 44,716
88,514
Find the product:
421 × 4
1,684
A school sold 23,489 tickets for a play on Thursday and 24,716 tickets on Friday. What is the total number of tickets sold?
48,205
Compare the numbers:
574,484 ___ 553,484
574,484 > 553,484
Round 53,894 to the nearest hundred.
53,900
Find the exact sum:
43,798 + 44,716
88,514
A farmer has 59 cows.
Each cow produces 25 liters of milk.
What operation should you use?
a. Multiplication
b. Division
c. Addition
d. Subtraction
a. Multiplication
A library wants to collect 20,000 books for a donation.
They have already collected 8,745 books in September and 9,836 books in October. How many more books do they need to collect?
1,419 books
Write this number in standard form:
one hundred twenty-five thousand, nine hundred one
125,901
Round 42,154 to the nearest thousand.
42,000
Find the difference:
25,000 − 12,362
12,638
Write the multiplication equation shown by the statement:
“72 is 9 times as many as 8.”
72 = 9 × 8
There are 18,452 red beads and 12,389 blue beads in a factory. The total number of beads is 45,000. How many beads are green?
14,159 beads
Write 125,901 in expanded form.
100,000 + 20,000 + 5,000 + 900 + 1
Round 8,395 to the nearest thousand.
8,000
Find the difference:
67,437 − 12,762
54,675
A multiplication array has 6 rows and 8 columns.
What multiplication equation matches this array? Make sure to solve it!
6 × 8 = 48
A warehouse has 36 boxes. Each box holds 24 notebooks. How many notebooks are there in all?
864 notebooks
Which digit has the greatest value in 574,484?
The 5 in the hundred-thousands place
Estimate the sum using rounding:
42,154 + 8,395
50,000
Which estimate is closer to the exact answer of
43,798 + 44,716?
A) 80,000
B) 90,000
90,000
Compare:
50 × 60 ___ 300
50 × 60 > 300
3,000 > 300
A student rounds 61,328 to 61,000 and 9,764 to 10,000 to estimate the sum.
Is the estimate 71,000 reasonable? Explain why.
Hint: make sure to use rounding!
Yes, because one number was rounded down and one was rounded up, making the estimate close to the exact sum.